104209640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 240221700

約数和(自身を除く): 136012060

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1409, 1720, 1849, 2818, 3698, 5636, 7045, 7396, 9245, 11272, 14090, 14792, 18490, 28180, 36980, 56360, 60587, 73960, 121174, 242348, 302935, 484696, 605870, 1211740, 2423480, 2605241, 5210482, 10420964, 13026205, 20841928, 26052410, 52104820, 104209640]

約数ペア:

[(1, 104209640), (2, 52104820), (4, 26052410), (5, 20841928), (8, 13026205), (10, 10420964), (20, 5210482), (40, 2605241), (43, 2423480), (86, 1211740), (172, 605870), (215, 484696), (344, 302935), (430, 242348), (860, 121174), (1409, 73960), (1720, 60587), (1849, 56360), (2818, 36980), (3698, 28180), (5636, 18490), (7045, 14792), (7396, 14090), (9245, 11272)]